US2763964A - Wall mounted blasting gun - Google Patents

Wall mounted blasting gun Download PDF

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Publication number
US2763964A
US2763964A US410351A US41035154A US2763964A US 2763964 A US2763964 A US 2763964A US 410351 A US410351 A US 410351A US 41035154 A US41035154 A US 41035154A US 2763964 A US2763964 A US 2763964A
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nozzle
arm
gun
supporting arm
secured
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Expired - Lifetime
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US410351A
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Roy L Luce
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HYDRO BLAST CORP
HYDRO-BLAST Corp
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HYDRO BLAST CORP
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material

Description

Sept. 25, 1956 R. L. LUCE 2,763,964
WALL MOUNTED BLASTING GUN Filed Feb. 15, 1954 ATTORNEYS.
United States Patent 2,763,964 WALL MGUNTED BLASTING GUN Roy L. Luce, Chicago, Ill., assignor to The Hydro-Blast Corporation, Chicago, 111., a corporation of Illinois Application February 15, 1954, Serial No. 410,351 8 Claims. (Cl. 51-8) This invention relates generally to a wall mounted blasting gun of the type employed for ejecting a high velocity stream of combined fluid and abrasive against a surface to be eroded and more particularly to mounting means for positioning and directing the nozzle of such a gun relative to a work surface so as to permit flow from the gun to be aimed in any selected direction by an operator positioned as a fixed location remote from the nozzle.
It is a primary object of the present invention to provide a blasting gun having wall mounting means operative to permit pivotal movement of the gun supporting arm relative to the mounting wall in both vertical and lateral planes, and to further permit individual pivotal movement of the nozzle of the gun in a vertical plane about its point of connection to the gun supporting arm.
It is another object of this invention to provide a wall mounting blasting gun having controlled pivotal movement relative to the mounting wall in both vertical and lateral planes, and controlled pivotal movement in a vertical plane of the nozzle about the pivotally mounted gun supporting arm, in cooperative adjacent relation to work supporting means rotatable in a horizontal plane.
With these and other objects in view, my invention consists in the construction, arrangement and combination of the various parts of my wall mounted blasting gun whereby the objects contemplated are obtained as hereinafter more fully set forth, pointed out in my claims and illustrated in the accompanying drawing, wherein:
Figure 1 is a perspective view of a blasting gun constructed in accordance with the present invention.
Figure 2 is a top elevational view, partly in section, showing the gun mounted on a wall structure.
Figure 3 is a side elevational view, partly in section, of the gun as shown in Figure 2, and further showing a work supporting turntable in adjacent operative relation to the gun.
In the drawing 1 have used the reference numeral to designate a blasting gun, generally. The gun comprises a nozzle 12 positioned at one end of a gun supporting arm 20. The nozzle is provided with a fitting for attachment of a delivery line 14 for sand or other abrasive material. The nozzle communicates at its rear end with a mounting tube 15 which provides a fitting for attachment of a high pressure water line 16. Swivel joints 13 and 19 serve to pivotally interconnect the nozzle 12 to one end of the mounting tube 15, and the other end of the mounting tube 15 to the water line 16. Brackets 22 serve to fixedly secure the mounting tube 15 to the forward end of the supporting arm 20.
A crank means extends through the length of the mounting tube 15 for actuating pivotal movement of the nozzle 12 in a vertical plane. The crank means includes a rod 24 rotatably supported within the mounting tube 15 by means of annular bearings 26, 27. Handle means 28 are provided at the end of the crank means remote from the nozzle 12. A first bevel gear 30 is secured to the forward end of the crank rod 25 adjacent the nozzle 12. Rotation of the crank handle 28 will efiect rotation of the bevel gear 30.
A second bevel gear 32 is rotatably mounted on the gun nozzle 12 and engages the first bevel gear 30. It will be apparent that rotation of the first bevel gear 30 eifects rotation of the second bevel gear 32, hereby causing the nozzle 12 to pivot about the swivel joint 18 in a substantially vertical plane. The angle of pivotal movement of the nozzle 12, indicated at A in Figure 3, is limited to about 270 in the arrangement of parts shown in the drawing.
In Figures 2 and 3 I have shown the blasting gun of the present invention mounted on a substantially vertical wall, indicated generally at W. A mounting plate 34 defines an opening 35 through the wall W. A resilient rubber sealing shroud 36 is secured to the mounting plate 34 and the gun supporting arm 20. In this manner, a resilient seal is provided between the opposite sides of the wall W to prevent the passage of dellected blasting materials and work particles therethrough, while permitting pivotal movement of the supporting arm 20 in vertical and lateral planes relative to the wall, as will hereinafter be described in detail.
A gimbal frame 38 provides a substantially horizontal pivot axis 40 upon which the gun supporting arm 24 is pivotally secured. The gimbal frame 38 also provides a vertical pivot axis 42 for rotation of the gimbal frame and the blasting gun carried thereby.
A pair of parallel bracket arms 44 are rigidly secured, as by welding, to the gimbal frame 38, and extend away from the gun supporting arm 20. A support assembly 46 is pivotally secured to the free ends of the bracket arms 44 upon a substantially horizontal pivot axis. The support assembly 46 includes a mounting plate 47, and a freely rotatable annular collar or bearing ring 48. A motor St is secured to the mounting plate 47.
A screw threaded drive rod 52 is fixedly received at its one end in a sleeve 54 which is pivotally secured to the gun supporting arm 20 on a substantially horizontal pivot axis. A drive wheel or pulley 56 is adapted to be driven for rotation by a drive belt (not shown) connected to the drive shaft of the motor 50. The wheel 56 is provided with an axially extending hub portion 57, which is internally screw threaded to receive the drive rod 52 in cooperative engagement therethrough. The hub 57 of wheel 56 is secured by means of thrust pins 58 to the collar 48.
It will be apparent that operation of the motor serves to rotate the drive wheel or pulley 56, thereby effecting longitudinal movement of the drive rod 52 through the pivotally mounted support assembly 46 of the bracket arms 44. Forward drive and reversal of the motor in se lected directions will serve to shift the drive rod 52 through the support assembly 46, as desired. In this manner, the gun supporting arm 20 may be pivotally swung about the horizontal pivot axis 40, thereby effecting up and down movement of the blasting gun nozzle 12 through an arc, indicated at B in Figure 3, lying within a substantially vertical plane. The particular arrangement of parts disclosed permits an arc of movement of the gun about the horizontal pivot axis 40 of about 50- It will be apparent that the gimbal frame 38 permits the entire gun assembly to be pivotally swung from side to side, as indicated by the are C in Figure 2. Such movement is manually elfected by the operator, and in the particular arrangement of parts shown includes an angle of arc of about 60.
In Figure 3 of the drawing, I have also shown a turntable 60 upon which the work ie e to be abraded may be positioned. Manual crank means 62 permits rotation of the turntable by the operator to eifect turning of the horizontal support plane through a full arc of rotation of 360.
The novel construction of the present invention permits the nozzle end of the blasting gun, and at the opposite side of a protective wall or shield, to effect direction of the gun blast at any desired angle. This operation is achieved by providing nozzle rotation in a vertical plane through an arc of 270"; by providing pivotal swinging of the gun supporting arm and the nozzle carried thereby through an arc in a vertical plane of 50 and by providing pivotal swinging of the entire gun assembly laterally from side to side through an arc of 60. Such a wide variety of positions of gun orientation, in cooperation with a work turntable permitting full 360 rotation of the piece to be abraded, permits the spray of a blasting gun employing my novel mounting construction to be aimed in any desired direction.
Changes may be made in the construction and arrangement of the parts of my wall mounted blasting gun without departing from the real spirit and purpose of my invention, and it is my intention to cover by my claims any modified forms of structure or use of mechanical improvements which may be reasonably included within their scope.
I claim as my invention:
1. A blasting gun comprising a supporting arm, means for mounting the supporting arm in an opening in a mounting wall for pivotal movement about a horizontal axis in a Vertical plane and about a vertical axis in lateral planes perpendicular to said vertical plane, a nozzle pivotally carried by one end of said arm, actuator means operatively connected to said nozzle to effect pivotal movement of the nozzle relative to said arm in a vertical plane, bracket means rigidly secured to the mounting means, adjustable means connecting the bracket means to the supporting arm to hold said supporting arm at an ad justable angle of inclination about said horizontal axis, and drive means connected to the adjustable means and operative to vary said angle of inclination.
2. A blasting gun comprising a supporting arm, gimbal means secured to said arm and adapted to be fixed in a wall opening, a nozzle pivotally carried at one end of said arm, actuator means operatively connected to said nozzle to effect pivotal movement of the nozzle relative to said arm in a vertical. plane, bracket means fixedly secured to said gimbal means and extending outwardly therefrom in a vertical plane, a collar member pivotally secured to the free end of said bracket means, a drive rod having its one end pivotally secured to said arm and its other end extending through said collar member, and drive means operative to draw said rod through said collar member.
3. A blasting gun comprising a supporting arm, gimbal means secured to said arm and adapted to be fixed in a wall opening, a nozzle pivotally carried at one end of said. arm, crank moans extending the length of said arm, said crank means being'operatively connected at its one end to said nozzle to effect pivotal movement of the nozzle relative to said arm in a vertical plane, handle means at the other end of said crank means remote from said nozzle for actuating said crank to effect pivotal movement of said nozzle, bracket means fixedly secured to said gimbal means and extending outwardly therefrom in a vertical plane, a collar member pivotally secured to the free end of said bracket means, a drive rod having its one end pivotally secured to said arm and its other end extending through said collar member, and drive means operative to draw said rod through said collar member.
4. A blasting gun comprising a supporting arm, gimbal means secured to said arm and adapted to be fixed in a wall opening, a nozzle pivotally carried at one end of said arm, crank means extending the length of said arm, said crank means being operatively connected at its one end by means of bevel gears to said nozzle for effecting pivotal movement of the nozzle relative to said arm in a vertical plane upon rotation of said crank means, handle means at the other end of said crank means remote from said nozzle for rotating said crank to effect pivotal movement of said nozzle, bracket means fixedly secured to said gimbal means and extending outwardly therefrom in a vertical plane, a collar member pivotally secured to the free end of said bracket means, a drive rod having its one end pivotally secured to said arm and its other end extending through said collar member, and drive means operative to draw said rod through said collar member.
5. A blasting gun comprising a supporting arm, gimbal means for securing said arm in a wall opening for pivotal movement relative thereto, said supporting arm being secured to said gimbal means upon a horizontal pivot axis extending therethrough, said gimbal means having a vertical pivot axis for lateral pivotal movement relative to a wall opening, a nozzle pivotally carried at one end of said supporting arm, actuator means operatively connected to said nozzle to effect pivotal movement of the nozzle relative to said arm in a vertical plane through an angle of about 270 including the forward direction longitudinally coaxial with said supporting arm, bracket means fixedly secured to said gimbal means and extending outwardly therefrom in a vertical plane, a collar member pivotally secured to the free end of said bracket means, a drive rod having its one end pivotally secured to said arm and its other end extending through said collar member, and drive means operative to draw said rod through said collar member, whereby said supporting arm may be pivoted in a vertical plane about the horizontal pivot axis of said gimbal means through an angle of about 50, the vertical pivot axis of said gimbal means permitting said supporting arm to be pivoted in lateral planes perpendicular to said last named vertical plane through an angle of about 60.
6. A blasting gun comprising a supporting arm, gimbal means for securing said arm in a wall opening for pivotal movement relative thereto, said supporting arm being secured to said gimbal means upon a horizontal pivot axis extending therethrough, said gimbal means having a vertical pivot axis for lateral pivotal movement relative to a wall opening, a nozzle pivotally carried at one end of said supporting arm, actuator operatively connected to said nozzle to effect pivotal movement of the nozzle relative to said arm in vertical plane through an angle of about 270 including the forward direction longitudinally coaxial with said support ing arm, bracket means rigidly securing said supporting arm at an angle of inclination through said horizontal pivot axis relative to said wall opening, and drive means operative to vary said angle of inclination, whereby said supporting arm may be pivoted in a vertical plane about the horizontal pivot axis of said gimbal means through an angle of about 50, the vertical pivot axis of said gimbal means permitting said supporting arm to be pivoted in lateral planes perpendicular to said last named vertical plane through an angle of about 60.
7. A blasting gun for wall mounting comprising an elongatedrigid supporting arm to project through an opening in a wall of an enclosure, means mounting the arm on the wall for pivotal movement in both vertical and horizontal planes, a nozzle pivotally mounted on a horizontal axis on the end of the arm Within the enclosure, actuator means to swing the nozzle about said horizontal axis and an operating member connected to the actuator means and extending from the end of the arm outside of the enclosure to be controlled by an operator outside of the enclosure.
8. A blasting gun for Wall mounting comprising an elongated rigid supporting arm to project through an opening in a wall of an enclosure, means mounting the arm on the wall for pivotal movement in both vertical and horizontal planes, a nozzle pivotally mounted on a horizontal axis on the end of the arm within the enclosure, actuator means to swing the nozzle about said horizontal axis, an operating member connected to the actuator means and extending from the end of the arm outside of the enclosure to be controlled by an operator outside of the enclosure, and power means outside of the enclosure connected to the arm to swing the arm in a vertical plane.
Wright May 30, 1911 10 Heaslet Sept. 3, 1912 Hoevel Jan. 10, 1928 Loomis May 30, 1933 Davis Oct. 19, 1943 Arispe Aug. 21, 1951 Webster Feb. 17, 1953
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015913A (en) * 1960-06-10 1962-01-09 Pittsburgh Des Moines Steel Adjustable mounting for a centrifugal grit blasting machine
US3103084A (en) * 1959-05-27 1963-09-10 Ashworth Norman Ives Apparatus for preparing surfaces for receiving coats of paint
US3103765A (en) * 1959-09-25 1963-09-17 Owens Illinois Glass Co Slurry-blasting apparatus
US3149445A (en) * 1959-09-25 1964-09-22 Owens Illinois Glass Co Surface finishing and treating method
US3426378A (en) * 1963-05-15 1969-02-11 Abrasive Dev Apparatus for washing and degreasing
US4027433A (en) * 1975-09-17 1977-06-07 Wayne Hockett Sand blasting apparatus
US4030253A (en) * 1976-04-14 1977-06-21 Esco Corporation Method of casting beneficiation
USRE30289E (en) * 1975-09-17 1980-06-03 Sand blasting apparatus
EP0094850A2 (en) * 1982-05-18 1983-11-23 Promecam Sisson-Lehmann Abrasive-blasting device for workpieces of whatever shape by means of a swivelling blast gun
US6113475A (en) * 1998-12-24 2000-09-05 Daiko Electric Co., Ltd. Method of cleaning container and apparatus therefor
US7089949B1 (en) * 2003-04-17 2006-08-15 The United States Of America As Represented By The Secretary Of The Navy Apparatus for maneuvering a device within the interior of storage tanks
US20080064307A1 (en) * 2006-09-07 2008-03-13 Daoyi Qi Stone edge grinding machine
US20130232792A1 (en) * 2012-03-12 2013-09-12 General Electric Company Apparatus and method for servicing turbomachinery components in-situ

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US993743A (en) * 1910-04-09 1911-05-30 John E Wright Sand-blast apparatus.
US1037760A (en) * 1912-02-05 1912-09-03 Harvey B Heaslet Sand-blasting apparatus.
US1655767A (en) * 1921-12-31 1928-01-10 Herman F Hoevel Device for controlling work supports and tool carriages
US1911761A (en) * 1931-04-24 1933-05-30 Loomis Frederick Oscar Warren Method of preparing bituminous road surfacing materials
US2332063A (en) * 1943-04-21 1943-10-19 Frank L Davis Spark plug cleaner
US2565341A (en) * 1950-06-26 1951-08-21 Victor C Arispe Sandblast apparatus
US2628455A (en) * 1949-06-08 1953-02-17 Hydro Blast Corp Cleaning apparatus for castings and the like

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US993743A (en) * 1910-04-09 1911-05-30 John E Wright Sand-blast apparatus.
US1037760A (en) * 1912-02-05 1912-09-03 Harvey B Heaslet Sand-blasting apparatus.
US1655767A (en) * 1921-12-31 1928-01-10 Herman F Hoevel Device for controlling work supports and tool carriages
US1911761A (en) * 1931-04-24 1933-05-30 Loomis Frederick Oscar Warren Method of preparing bituminous road surfacing materials
US2332063A (en) * 1943-04-21 1943-10-19 Frank L Davis Spark plug cleaner
US2628455A (en) * 1949-06-08 1953-02-17 Hydro Blast Corp Cleaning apparatus for castings and the like
US2565341A (en) * 1950-06-26 1951-08-21 Victor C Arispe Sandblast apparatus

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103084A (en) * 1959-05-27 1963-09-10 Ashworth Norman Ives Apparatus for preparing surfaces for receiving coats of paint
US3103765A (en) * 1959-09-25 1963-09-17 Owens Illinois Glass Co Slurry-blasting apparatus
US3149445A (en) * 1959-09-25 1964-09-22 Owens Illinois Glass Co Surface finishing and treating method
US3015913A (en) * 1960-06-10 1962-01-09 Pittsburgh Des Moines Steel Adjustable mounting for a centrifugal grit blasting machine
US3426378A (en) * 1963-05-15 1969-02-11 Abrasive Dev Apparatus for washing and degreasing
US4027433A (en) * 1975-09-17 1977-06-07 Wayne Hockett Sand blasting apparatus
US4139970A (en) * 1975-09-17 1979-02-20 Hockett Wayne B Abrasive cleaning apparatus
USRE30289E (en) * 1975-09-17 1980-06-03 Sand blasting apparatus
US4030253A (en) * 1976-04-14 1977-06-21 Esco Corporation Method of casting beneficiation
EP0094850A2 (en) * 1982-05-18 1983-11-23 Promecam Sisson-Lehmann Abrasive-blasting device for workpieces of whatever shape by means of a swivelling blast gun
FR2527126A1 (en) * 1982-05-18 1983-11-25 Promecan Sisson Lehmann STACKING PLANT OF ANY SHAPED PIECES BY MEANS OF AN ORIENTABLE LANCE
EP0094850A3 (en) * 1982-05-18 1985-05-29 Promecam Sisson-Lehmann Abrasive-blasting device for workpieces of whatever shape by means of a swivelling blast gun
US6113475A (en) * 1998-12-24 2000-09-05 Daiko Electric Co., Ltd. Method of cleaning container and apparatus therefor
US7089949B1 (en) * 2003-04-17 2006-08-15 The United States Of America As Represented By The Secretary Of The Navy Apparatus for maneuvering a device within the interior of storage tanks
US20080064307A1 (en) * 2006-09-07 2008-03-13 Daoyi Qi Stone edge grinding machine
US20130232792A1 (en) * 2012-03-12 2013-09-12 General Electric Company Apparatus and method for servicing turbomachinery components in-situ

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